As you'd expect from a high end complete

Titanium Spindle upgrade or replacement for Profile Column 22mm cranks

new wedge cluster band with greater flexibility and Odyssey's Never-Wobble crank arm and spindle interface guarantee

Box One™ Chain Tensioners are extruded then CNC-machined from 7075 aluminum for an optimal balance of strength and weight

It features a low profile

Box One BMX Race Disc Brake Adapter (Sliding Dropout) - Black supplier_55074282209606 As you'd expect from aThe Box Disc Brake Adapter is designed to help improve braking control on frames where disc brakes were not standard. Compatible with 2 types of dropouts and 3 10mm hubs, in the right configurations, the Box Disc Brake Adapter goes over your hubs axle and mates with the frames dropout, allowing mounting of a standard post mount disc brake caliper.